Question

Решить уравнение (6+х)*(4+х)-х^2=64
Срочноооо, 18б

Answer 1

$10x+24=64$
$10x=40$
$x=4$

Answer 2

(6+х)*(4+х)-х^2=64 
24 + 4x + 6x + x^2 - x^2 = 64
24 + 10x = 64
10x = 64 - 24
10x = 40
x = 4